diff --git a/inst/CITATION b/inst/CITATION
index 5416b72..d54dab2 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -8,8 +8,8 @@ utils::citEntry(entry = "manual",
              person("Marcus W.", "Beck", role = "rev", comment = c(ORCID = "0000-0002-4996-0059")),
              person("Mike", "Johnson", role = "ctb", comment = c(ORCID = "0000-0002-5288-8350"))),
   title = "elevatr: Access Elevation Data from Various APIs",
-  year = "2020",
-  note = {"R package version 0.3.1, doi:10.5281/zenodo.4282962"},
+  year = "2021",
+  note = {"R package version 0.4.0, doi:10.5281/zenodo.4282962"},
   url = "https://github.com/usepa/elevatr/",
-  textVersion = "Hollister, J.W. (2020). elevatr: Access Elevation Data from Various APIs. R package version 0.3.1. https://CRAN.R-project.org/package=elevatr/"
+  textVersion = "Hollister, J.W. (2021). elevatr: Access Elevation Data from Various APIs. R package version 0.4.0. https://CRAN.R-project.org/package=elevatr/"
 )
\ No newline at end of file